vi CONTENTS 



CHAPTER XXIV 



PAGE 



The Flannan Isles and their Bird- Visitors : Another 



Study of the Far-Western Passage Movements . 250 



CHAPTER XXV 

 SULE Skerry, West of Orkney, and its Bird-Visitors . 286 



CHAPTER XXVI 



(i) The Isle of Ushant as a Station for Observing Bird- 

 Migration : Bird - Watchers Watched I (2) On 

 Migratory Birds Observed at Alderney, Channel 

 Islands ........ 305 



Index ......... 329 



